Jaz

UnisexBoys' nameGirls' name

Diminutive of Jasper or James or Janet or Janette or Jasmine

Jaz has been given to 352 babies in the U.S. since 1989. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1993, with 19 recorded. It's used for both sexes: 67% boys, 33% girls all-time.

Babies named Jaz, 2023

1 in 663,000

Jaz over time, 1880–2025

BoysGirls
0510152018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Jaz over time

In 2023, Jaz went to 0% girls and 100% boys.

19892023

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

Jaz: meaning, origin, and history

Diminutive of Jasper or James or Janet or Janette or Jasmine

Deeper origin not confirmed in the cited records

What Jaz means

Jaz is a diminutive of Jasper or James or Janet or Janette or Jasmine.

Origin, language, and formation

Jaz is used in English.

Related names and everyday forms

Related names include Jasper, James, Janet, Janette and Jasmine.

American usage and historical context

In the United States, 236 boys were recorded with the name Jaz between 1989 and 2023. Its highest annual count was 19 in 1993; its best national rank was #3,426 in 1993.

In the United States, 116 girls were recorded with the name Jaz between 1990 and 2021. Its highest annual count was 14 in 1991; its best national rank was #6,375 in 1991.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Jaz?

Jaz had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 663,000
5 of 3,314,783 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
459,528 kids
Even odds of a second one

Where Jaz sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 459,528 children born in 2023 and it's an even bet that one of them is another Jaz. In a class of 30 the chance is Under 1%.

When Jazs were born

Half of everyone ever recorded as Jaz was born before 1999 — so the typical Jaz is around 26 today.

Median birth year
1999
About 26 years old
Biggest decade
1990s
50.4% of all use
Born in the last 25 years
51.3%
A modern name
Recorded since 1950
236
People you could plausibly meet
Choose a decade

1990s — 50.4% of all recorded uses (119).

Is Jaz rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1993 (19)
Years since peak
32
Years
Year-to-year steadiness
Volatile
37.3% average annual change
Best rank ever
#3,426
1993

Jaz around the world

Where Jaz ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2012
    #4,805
    in 2012
  • South Australia
    2001–2002
    #606
    in 2002

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Jaz by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,426
1993
Peak year
1993
19 that year
First recorded
1989
Last recorded
2023
All-time count
236
Count in 2025
Under 5

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#6,375
1991
Peak year
1991
14 that year
First recorded
1990
Last recorded
2021
All-time count
116
Count in 2025
Under 5

Names similar to Jaz

Matched on shared beginnings and endings, similar length, and comparable popularity.

Sibling names for Jaz

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Jaz